common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/xes/xpedite517x/ddr.c b/board/xes/xpedite517x/ddr.c
index 604faf2..a3fd2fc 100644
--- a/board/xes/xpedite517x/ddr.c
+++ b/board/xes/xpedite517x/ddr.c
@@ -8,6 +8,7 @@
 #include <i2c.h>
 #include <fsl_ddr_sdram.h>
 #include <fsl_ddr_dimm_params.h>
+#include <log.h>
 
 void get_spd(ddr2_spd_eeprom_t *spd, u8 i2c_address)
 {